?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=IDENTIFIKASI+SEBARAN+DAN+ESTIMASI+SUMBER+DAYA%0D%0ABATUBARA+MENGGUNAKAN+METODE+POLIGON%0D%0ABERDASARKAN+INTEPRETASI+DATA%0D%0ALOGGING+PADA+LAPANGAN+%E2%80%9DADA%E2%80%9D%0D%0ASUMATERA+SELATAN+&rft.creator=Deddi+Adrian%2C+1215051016&rft.subject=Teknologi+(General)&rft.description=As+petroleum+reserves+depleted%2C+certainly+encourage+the+government+to+search+for%0D%0Anew+energy+sources.+Eksploration+of+coal+is+the+right+choice+because+its+potential%0D%0Ais+so+great+in+Indonesian+especially+in+South+Sumatera+Province+is+known+have%0D%0Acontent+37%2C80%25+from+total+resources+in+Indonesian.+Well+loggging+method+is+one%0D%0Aof+geophysics+method+used+to+find+and+estimate+coal+resources.+Advantages+of%0D%0Awell+logging+method+is+able+to+describe+subsurface+laterally.+The+purpose+of+this%0D%0Astudy+is+displaying+an+overview+of+subsurface+rock+layers%2C+determine+the+direction%0D%0Aof+distribution+by+correlating+coal+seam+between+wells+based+on+data+logging%2C+and%0D%0Ato+estimate+coal+resources+in+the+research+area.+The+total+area+of+the+author's%0D%0Aresearch+is+442.056+m2+has+10+wells.+Log+data+used+in+this+study+is+gamma+ray+log%0D%0Adan+density+log%2C+where+coal+seams+are+characterized+by+gamma+ray+log+response%0D%0Aand+low+log+density+responses.+On+the+field+%E2%80%9DADA%E2%80%9D+found+four+coal+seam%2C+that+is%0D%0Aseam+A1+with+thickness+8%2C28+m%2C+seam+A2+with+thickness+13%2C62+m%2C+seam+B+with%0D%0Athickness+18%2C50%2C+and+seam+C+with+thickness+8%2C84.+Direction+of+coal+distribution%0D%0Afrom+South+to+North+with+slope+angle+5-30%C2%BA+and+direction+of+sincerity+from+East+to%0D%0AWest.+The+author+calculates+the+estimated+coal+resource+using+polygon+method%0D%0Abecause+this+calculates+method+can+be+done+with+a+short+time+and+the+results+are%0D%0Aright.+Total+coal+by+polygon+method+of+18.322.653+m3+in+tons+of+21.987.184+%E2%80%93%0D%0A27.483.980+ton+while+calculations+with+software+rock+works+15+amount%0D%0A18.786.254+m3+in+tons+of+22.543.505+%E2%80%93+28.179.381+ton.%0D%0AKeywords%3A+Coal%2C+well+logging%C2%B8+seam%2C+resources%2C+polygon+method.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2017-08-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28551%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28551%2F9%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28551%2F10%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Deddi+Adrian%2C+1215051016++(2017)+IDENTIFIKASI+SEBARAN+DAN+ESTIMASI+SUMBER+DAYA+BATUBARA+MENGGUNAKAN+METODE+POLIGON+BERDASARKAN+INTEPRETASI+DATA+LOGGING+PADA+LAPANGAN+%E2%80%9DADA%E2%80%9D+SUMATERA+SELATAN.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28551%2F